Lenovo x3250 m6 - Chapter 7. Removing and installing server components; Before removing or installing server components; Working inside the server with the power on

Step1.Turnofftheserver.
Step2.Makesurethattheserveriscabledcorrectly.
Step3.Removeordisconnectthefollowingdevices,oneatatime,untilyoufindthefailure.Turnonthe
serverandreconfigureiteachtime.
•Anyexternaldevices(suchasprinter,mouse,andnon-Lenovodevices.
•Surge-suppressordevice(ontheserver).
•Eachadapter.
•Harddiskdrives.
Note:Theminimumconfigurationrequiredfortheservertostartisonemicroprocessorandone4
GBDIMM.
Step4.Turnontheserver.Iftheproblemremains,suspectthefollowingcomponentsinthefollowingorder:
1.Powersupply
2.Memory
3.Microprocessor
4.Systemboard
Iftheproblemissolvedwhenyouremoveanadapterfromtheserverbuttheproblemrecurswhenyou
reinstallthesameadapter,suspecttheadapter;iftheproblemrecurswhenyoureplacetheadapterwith
adifferentone,suspecttherisercard.
Ifyoususpectanetworkingproblemandtheserverpassesallthesystemtests,suspectanetworkcabling
problemthatisexternaltotheserver.
Problemdeterminationtips
Becauseofthevarietyofhardwareandsoftwarecombinationsthatcanencounter,usethefollowing
informationtoassistyouinproblemdetermination.Ifpossible,havethisinformationavailablewhen
requestingassistancefromLenovo.
ThemodelnumberandserialnumberoftheserverareontheIDlabelattachedonthefrontbezel.
Figure13.IDlabelonthefrontoftheserver
•Machinetypeandmodel
•Microprocessororharddiskdriveupgrades
•Failuresymptom
–Doestheserverfailthediagnostictests?
–Whatoccurs?When?Where?
–Doesthefailureoccuronasingleserveroronmultipleservers?
Chapter5.Troubleshooting73